﻿// Copyright (c) 2015, Microsoft Corporation
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
// IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//

using System;
using Windows.UI.Xaml.Data;

namespace MyLivingRoom.Views
{
    public abstract class BooleanConverterBase<T> : IValueConverter
    {
        public T TrueValue { get; set; }
        public T FalseValue { get; set; }

        public object Convert(object value, Type targetType, object parameter, string language)
        {
            return (value is bool && (bool)value) ? this.TrueValue : this.FalseValue;
        }

        public object ConvertBack(object value, Type targetType, object parameter, string language)
        {
            return value is T && object.Equals(value, this.TrueValue);
        }
    }
}